<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        table {
            border: #000000;
            font: 12px/1.5em "宋体";
            border-collapse: collapse;
        / / 合并单元
        }

        caption {
            text-align: center;
        }

        th {
            color: #000000;
            border: 1px solid #000000;
            background: #1b6d85;
        }

        td {
            text-align: center;
            border: 1px solid #000000;
        }

        .tr_bg td {
            background: #F0F0F0;
        }

    </style>
</head>
<body>
<table width="500" border="0">
    <caption>环境工程年排行榜</caption>
    <tr>
        <th> 工程编号</th>
        <th>工程名称</th>
        <th>报价</th>
        <th>数量</th>
    </tr>

    <tr>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>

    </tr>

    <tr class="tr_bg">
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
    </tr>

    <tr>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
    </tr>

    <tr class="tr_bg">
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
        <td> 001</td>
    </tr>

</table>


</body>
</html>